pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1248-DevilsDream.ps) >>/Users/jc/w/tmp/Tune-1248-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Contra/DevilsDream.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_12483.log 264661 Log file, useful mostly for debugging
Coll_12485.log 278710 Log file, useful mostly for debugging
Tune-1248-DevilsDream.abc 449 ABC music file with the extracted tune(s)
Tune-1248-DevilsDream.ps 35624 PostScript
Tune-1248-DevilsDream.txt 449 Plain-text file with the extracted tune(s)
Tune-1248-get.log 4332 Log file, useful mostly for debugging
Tune-12483-get.log 5766 Log file, useful mostly for debugging
Tune-12489-get.log 5520 Log file, useful mostly for debugging
These files should be available for 24 hours.